Putting participants in one of two conditions of an experiment by using random assignment
A) helps generalize research findings.
B) reduces the validity of the study.
C) creates two equivalent groups.
D) results in two different groups.

Question

Quizplus · Accepted Answer

Random assignment creates two groups that are equivalent in all aspects except for the manipulated variable being studied. This increases the internal validity of the study and allows for stronger conclusions to be drawn.

Putting Participants in One of Two Conditions of an Experiment